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Sermac

Sermac Distributor Gearbox and Accessories

Sermac Distributor Gearbox and Accessories

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The distributor gearbox is a critical component used in Sermac concrete pumps equipped with placing booms. It transfers power—typically from a hydraulic motor—to key boom operations such as slewing (horizontal rotation) and potentially other auxiliary movements. The term “ACCS” refers to the related accessories and internal parts required for optimal function, servicing, and replacement. This component ensures smooth, controlled movement and accurate boom positioning during concrete delivery.

Key Features

  • Rugged Housing: Built from high-strength cast iron or steel, designed to withstand extreme mechanical loads and environmental exposure on job sites.

  • High-Precision Gearing: Features robust gear types (e.g., spur, helical, bevel) engineered for efficient torque transfer and long service intervals under continuous load.

  • Multiple Output Ports/Shafts: Capable of powering several boom movements—most commonly slewing—with accurate speed and torque output.

  • Integrated Lubrication: Operates with a sealed oil bath or internal lubrication system to minimize friction and extend component life.

  • Custom Gear Ratios: Gear sets are tailored to meet the speed and torque demands of Sermac's boom control systems.

  • Easy Integration: Designed with standard mounting flanges and bolt patterns for compatibility with Sermac boom structures.

  • Locking or Brake Mechanisms (Optional): Some models feature built-in mechanisms to hold the boom in a fixed position when not in motion.

Typical Applications in Sermac Boom Systems

  • Driving the slewing gear for horizontal boom rotation.

  • Supporting other mechanical movements in placing booms depending on configuration.

  • Ensuring precise control and stability during boom operation on-site.

Associated Components 

Component Purpose
Large Ball Bearing Supports rotating shafts and reduces internal friction while handling radial and axial loads.
Gearbox Housing (Grey, Multi-Ported) The external casing of the gearbox, providing structural support and protection for internal gears.
Helical and Spur/Bevel Gears Internal components responsible for smooth torque transmission and controlled motion.
Irregular-Shaped Metallic Element Likely an internal link, shift element, or drive connector associated with gear engagement or output motion.

Ordering Guidance

To select the correct distributor gearbox or accessories for your Sermac concrete pump, be sure to:

  1. Identify the Sermac pump model and serial number.

  2. Consult the official Sermac parts manual or contact a certified dealer.

  3. Check for gearbox markings or model references (e.g., part number stamped on the casing).

  4. Specify application type (e.g., slewing function, boom model).

  5. Provide measurements or photos if necessary to match internal components or accessories.

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